EP4024057C0 - Fehlerstromdetektionsverfahren basierend auf magnetischer kernarbeitszustandsschaltung - Google Patents

Fehlerstromdetektionsverfahren basierend auf magnetischer kernarbeitszustandsschaltung

Info

Publication number
EP4024057C0
EP4024057C0 EP20875191.7A EP20875191A EP4024057C0 EP 4024057 C0 EP4024057 C0 EP 4024057C0 EP 20875191 A EP20875191 A EP 20875191A EP 4024057 C0 EP4024057 C0 EP 4024057C0
Authority
EP
European Patent Office
Prior art keywords
detection method
method based
magnetic core
current detection
working state
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP20875191.7A
Other languages
English (en)
French (fr)
Other versions
EP4024057A1 (de
EP4024057B1 (de
EP4024057A4 (de
Inventor
Zean Jiang
Jianhua Wang
Zhen Liu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Topscomm Communication Co Ltd
Original Assignee
Qingdao Topscomm Communication Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qingdao Topscomm Communication Co Ltd filed Critical Qingdao Topscomm Communication Co Ltd
Publication of EP4024057A1 publication Critical patent/EP4024057A1/de
Publication of EP4024057A4 publication Critical patent/EP4024057A4/de
Application granted granted Critical
Publication of EP4024057B1 publication Critical patent/EP4024057B1/de
Publication of EP4024057C0 publication Critical patent/EP4024057C0/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
    • G01R15/18—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
    • G01R15/183—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers using transformers with a magnetic core
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/52—Testing for short-circuits, leakage current or ground faults

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
EP20875191.7A 2019-10-09 2020-09-30 Fehlerstromdetektionsverfahren basierend auf magnetischer kernarbeitszustandsschaltung Active EP4024057B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910955505.6A CN110609171B (zh) 2019-10-09 2019-10-09 基于磁芯工作状态切换下的复杂剩余电流检测方法
PCT/CN2020/119323 WO2021068832A1 (zh) 2019-10-09 2020-09-30 基于磁芯工作状态切换下的剩余电流检测方法

Publications (4)

Publication Number Publication Date
EP4024057A1 EP4024057A1 (de) 2022-07-06
EP4024057A4 EP4024057A4 (de) 2022-11-09
EP4024057B1 EP4024057B1 (de) 2023-08-23
EP4024057C0 true EP4024057C0 (de) 2023-08-23

Family

ID=68894207

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20875191.7A Active EP4024057B1 (de) 2019-10-09 2020-09-30 Fehlerstromdetektionsverfahren basierend auf magnetischer kernarbeitszustandsschaltung

Country Status (5)

Country Link
US (1) US20220373579A1 (de)
EP (1) EP4024057B1 (de)
CN (1) CN110609171B (de)
CA (1) CA3153829C (de)
WO (1) WO2021068832A1 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110609171B (zh) * 2019-10-09 2022-06-07 青岛鼎信通讯股份有限公司 基于磁芯工作状态切换下的复杂剩余电流检测方法
CN111781418B (zh) * 2020-06-22 2023-10-10 北京智芯微电子科技有限公司 低压配电网剩余电流监测方法、设备及系统
CN112763938A (zh) * 2020-12-24 2021-05-07 唐新颖 一种基于磁通门检测剩余漏电方法
CN113049868B (zh) * 2021-03-10 2024-09-27 优利德科技(中国)股份有限公司 一种交直流电流测量装置及测量方法
CN113296019B (zh) * 2021-05-08 2025-07-08 上海盛位电子技术有限公司 一种漏电检测装置、漏电检测方法和充电设备
CN113406531B (zh) * 2021-05-14 2026-01-06 上海盛位电子技术有限公司 一种漏电检测装置、漏电检测方法和充电设备
CN113495186B (zh) * 2021-07-27 2024-03-15 国创移动能源创新中心(江苏)有限公司 磁调制电流互感器的信号采集方法、装置和保护系统
CN113964789A (zh) * 2021-10-18 2022-01-21 上海盛位电子技术有限公司 一种可切换工作模式的漏电保护装置、方法和充电设备
CN115639394B (zh) * 2022-10-27 2026-03-06 青岛鼎信通讯股份有限公司 一种剩余电流检测方法、装置及介质
CN115856409A (zh) * 2022-11-15 2023-03-28 青岛鼎信通讯股份有限公司 一种电流检测装置、方法、设备、系统及介质
CN116794560B (zh) * 2023-08-21 2023-11-28 中国计量科学研究院 一种宽频剩余电流传感器
CN117970177B (zh) * 2024-01-04 2025-04-18 四川英杰新能源有限公司 一种基于半饱和磁感应强度的漏电检测装置及方法
CN120357780B (zh) * 2024-01-09 2025-11-11 温州安字电子技术有限公司 一种励磁控制方法、励磁控制电路以及电流传感器
CN119916075B (zh) * 2025-04-03 2025-07-01 上海盛位电子技术有限公司 一种复合电流检测传感器
CN120275699B (zh) * 2025-06-12 2025-08-22 宁德时代润智软件科技有限公司 电流传感器及其控制方法

Family Cites Families (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4300095A (en) * 1979-08-22 1981-11-10 Rockwell International Corporation Self excited saturatable core magnetic field detection apparatus
CA1181813A (fr) * 1981-07-07 1985-01-29 Hydro-Quebec Circuit de demagnetisation de transformateur de courant
GB8512133D0 (en) * 1985-05-14 1985-06-19 Dorman Smith Switchgear Ltd Residual current detector
JP3286446B2 (ja) * 1993-12-29 2002-05-27 住友特殊金属株式会社 直流電流センサー
GB2412511B (en) * 2001-06-08 2005-11-30 Eaton Electric Ltd Measuring devices
GB0226111D0 (en) * 2002-11-08 2002-12-18 Delta Electrical Ltd Residual current devices
AT507202B1 (de) * 2008-12-02 2010-03-15 Moeller Gebaeudeautomation Gmb Fehlerstromschutzschalter
CN101923134B (zh) * 2010-03-22 2013-01-09 许继集团有限公司 数字式漏电流检测电路及其检测方法
CN102338822B (zh) * 2010-07-15 2014-07-09 西门子公司 电流测量装置及其电流测量方法
JP2012233718A (ja) * 2011-04-28 2012-11-29 Fuji Electric Fa Components & Systems Co Ltd 電流検出装置
DE102011107721B4 (de) * 2011-07-14 2014-02-13 Ean Elektroschaltanlagen Gmbh Verfahren und Vorrichtung zur Messung elektrischer Ströme mit Hilfe eines Stromwandlers
CN103675396A (zh) * 2012-09-13 2014-03-26 武汉金天新能源科技有限公司 一种光伏逆变器漏电流检测装置
CN202770898U (zh) * 2012-09-14 2013-03-06 沈阳仪表科学研究院 高精度快响应直流漏电流传感器
DE102013210800A1 (de) * 2013-06-10 2014-12-11 Bender Gmbh & Co. Kg Integrierte Schaltung mit digitalem Verfahren zur allstromsensitiven Differenzstrommessung
CN104931758B (zh) * 2014-03-21 2018-03-27 上海电科电器科技有限公司 直流剩余电流检测装置
DE102014215109B4 (de) * 2014-07-31 2025-07-10 Vacuumschmelze Gmbh & Co. Kg Stromsensoranordnung und Verfahren zur Messung eines effektiven Primärstromes
DE102014216404B4 (de) * 2014-08-19 2021-09-09 KATEK Memmingen GmbH Strommessvorrichtung und Verfahren zum Erfassen eines Stroms
JP6237533B2 (ja) * 2014-08-22 2017-11-29 三菱電機株式会社 漏電遮断器
CN204116431U (zh) * 2014-09-02 2015-01-21 沈阳汇博自动化仪表有限公司 一种快响应穿芯式直流漏电流传感器
CN204423579U (zh) * 2015-02-03 2015-06-24 山东信友电器有限公司 一种自动检测外接互感器的探测器电路
CN107430153B (zh) * 2015-04-10 2020-08-07 三菱电机株式会社 电流检测装置
CN204679548U (zh) * 2015-06-16 2015-09-30 常熟开关制造有限公司(原常熟开关厂) 一种单线圈磁调制式剩余电流检测装置
CN107607779A (zh) * 2016-07-12 2018-01-19 上海盛相电子科技有限公司 基于磁调制技术的电流检测方法和装置
EP3309558A1 (de) * 2016-10-14 2018-04-18 LEM Intellectual Property SA Stromwandler
CN107979066A (zh) * 2017-12-26 2018-05-01 浙江威利坚科技股份有限公司 B型漏电断路器及其检测方法
CN108519505B (zh) * 2018-01-30 2021-01-05 宜昌市瑞磁科技有限公司 一种pwm输出方式的剩余电流检测装置及方法
DE102018204047A1 (de) * 2018-03-16 2019-09-19 Siemens Aktiengesellschaft Fehlerstromschutzeinheit
CN109932558A (zh) * 2019-04-15 2019-06-25 苏州未来电器股份有限公司 基于单正电源供电的磁调制交直流剩余电流检测系统
CN110672913B (zh) * 2019-10-09 2022-06-21 青岛鼎信通讯股份有限公司 一种适于交直流漏电检测的复杂波形信号处理方法
CN110609171B (zh) * 2019-10-09 2022-06-07 青岛鼎信通讯股份有限公司 基于磁芯工作状态切换下的复杂剩余电流检测方法

Also Published As

Publication number Publication date
EP4024057A1 (de) 2022-07-06
WO2021068832A1 (zh) 2021-04-15
EP4024057B1 (de) 2023-08-23
CN110609171A (zh) 2019-12-24
CA3153829C (en) 2023-10-10
US20220373579A1 (en) 2022-11-24
CN110609171B (zh) 2022-06-07
EP4024057A4 (de) 2022-11-09
CA3153829A1 (en) 2021-04-15

Similar Documents

Publication Publication Date Title
EP3484028A4 (de) Spulensegmentbildungsvorrichtung, spulensegmentbildungsverfahren und herstellungsvorrichtung für elektrische drehmaschine
EP3828901A4 (de) Magnetische paste
EP3401941C0 (de) Schützspulensteuerschaltung
EP4024057A4 (de) Fehlerstromdetektionsverfahren basierend auf magnetischer kernarbeitszustandsschaltung
EP4143586C0 (de) Strommesswiderstand
EP4073611A4 (de) Topologie einer strommessschaltung
EP3905287A4 (de) Stromwandler für einen luftleistungsschalter
EP3918347C0 (de) Stromwandler mit magnetfelddetektormodul
EP3940397A4 (de) Magnetischer isolator
EP3780357A4 (de) Elektrische drehmaschine
EP4291883A4 (de) Abhebekompensiertes wirbelstromsystem
EP4049051C0 (de) Fluxgate-stromwandler
EP4427817A4 (de) Elektrische ausrüstung
EP3678279A4 (de) Spannungsdetektionsschaltung
FR3050069B1 (fr) Composant magnetique, circuit electrique resonant, convertisseur electrique et systeme electrique
EP3828902C0 (de) Stromabhängige induktivität
EP4000532A4 (de) Steuerschaltung für detektionsmodus
DK3574561T3 (da) Fremgangsmåde til indfødning af en elektrisk vekselstrøm
EP4060712A4 (de) Schutzschalter
EP3591815C0 (de) Elektrische drehmaschine
EP3593220A4 (de) Niederspannungs-referenzstromschaltung
EP3770596A4 (de) Sonde zur detektion von wirbelstromfehlern
EP4078735C0 (de) Elektrische steckverbindung
EP4068328A4 (de) Schutzschalter
EP3970177C0 (de) Schutzschalter

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20220330

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

A4 Supplementary search report drawn up and despatched

Effective date: 20221010

RIC1 Information provided on ipc code assigned before grant

Ipc: G01R 31/52 20200101ALI20221004BHEP

Ipc: G01R 31/00 20060101ALI20221004BHEP

Ipc: G01R 15/18 20060101ALI20221004BHEP

Ipc: G01R 19/25 20060101AFI20221004BHEP

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
RIC1 Information provided on ipc code assigned before grant

Ipc: G01R 31/52 20200101ALI20230126BHEP

Ipc: G01R 31/00 20060101ALI20230126BHEP

Ipc: G01R 15/18 20060101ALI20230126BHEP

Ipc: G01R 19/25 20060101AFI20230126BHEP

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

INTG Intention to grant announced

Effective date: 20230314

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 602020016433

Country of ref document: DE

U01 Request for unitary effect filed

Effective date: 20230918

U07 Unitary effect registered

Designated state(s): AT BE BG DE DK EE FI FR IT LT LU LV MT NL PT SE SI

Effective date: 20230921

U20 Renewal fee for the european patent with unitary effect paid

Year of fee payment: 4

Effective date: 20231123

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20231124

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20231223

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: RS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230823

Ref country code: NO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20231123

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20231223

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230823

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20231124

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230823

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230823

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SM

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230823

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230823

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230823

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230823

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230823

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 602020016433

Country of ref document: DE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230823

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

REG Reference to a national code

Ref country code: IE

Ref legal event code: MM4A

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20230930

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20230930

26N No opposition filed

Effective date: 20240524

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20230930

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20230930

U20 Renewal fee for the european patent with unitary effect paid

Year of fee payment: 5

Effective date: 20240925

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT; INVALID AB INITIO

Effective date: 20200930

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: HU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT; INVALID AB INITIO

Effective date: 20200930

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20250919

Year of fee payment: 6

U20 Renewal fee for the european patent with unitary effect paid

Year of fee payment: 6

Effective date: 20250924

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: TR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230823